Via the option Night Mode you can turn off the Maxwell display during a specified time window.
Additional you have the option to disable the audio signalling of an incoming call during this time window.
In the web-interface go to: SETTINGS - Desk Phone - Display - Night Mode
0 = Disabled
1= Enabled
Example:
<?xml version="1.0" encoding="UTF-8"?><provisioning version="1.1" productID="mx3b">
<nvm>
<param name="IsNightModeEnabled" value="1"/><param name="NightModeStartTime" value="11:35"/><param name="NightModeEndTime" value="12:20"/><param name="IsNightModeSilencingCalls" value="1"/>
</nvm>
</provisioning>